61621476 has 48 divisors (see below), whose sum is σ = 164742144. Its totient is φ = 17561376.

The previous prime is 61621471. The next prime is 61621489. The reversal of 61621476 is 67412616.

It is a super-3 number, since 3×61621476³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (61621471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46641 + ... + 47943.

It is an arithmetic number, because the mean of its divisors is an integer number (3432128).

Almost surely, 2^61621476 is an apocalyptic number.

It is an amenable number.

61621476 is an abundant number, since it is smaller than the sum of its proper divisors (103120668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61621476 is a wasteful number, since it uses less digits than its factorization.

61621476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880 (or 1878 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 61621476 is about 7849.9347767991. The cubic root of 61621476 is about 394.9820554792.

The spelling of 61621476 in words is "sixty-one million, six hundred twenty-one thousand, four hundred seventy-six".